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- genoober@debian:~/linuxcnc-dev-tst/bin$ udevadm info -q all -a /dev/bus/usb/001/007
- Udevadm info starts with the device specified by the devpath and then
- walks up the chain of parent devices. It prints for every device
- found, all possible attributes in the udev rules key format.
- A rule to match, can be composed by the attributes of the device
- and the attributes from one single parent device.
- looking at device '/devices/pci0000:00/0000:00:01.2/0000:03:00.0/usb1/1-4':
- KERNEL=="1-4"
- SUBSYSTEM=="usb"
- DRIVER=="usb"
- ATTR{authorized}=="1"
- ATTR{avoid_reset_quirk}=="0"
- ATTR{bConfigurationValue}=="1"
- ATTR{bDeviceClass}=="00"
- ATTR{bDeviceProtocol}=="00"
- ATTR{bDeviceSubClass}=="00"
- ATTR{bMaxPacketSize0}=="64"
- ATTR{bMaxPower}=="100mA"
- ATTR{bNumConfigurations}=="1"
- ATTR{bNumInterfaces}==" 1"
- ATTR{bcdDevice}=="0000"
- ATTR{bmAttributes}=="80"
- ATTR{busnum}=="1"
- ATTR{configuration}==""
- ATTR{devnum}=="7"
- ATTR{devpath}=="4"
- ATTR{idProduct}=="eb93"
- ATTR{idVendor}=="10ce"
- ATTR{ltm_capable}=="no"
- ATTR{manufacturer}=="KTURT.LTD"
- ATTR{maxchild}=="0"
- ATTR{quirks}=="0x0"
- ATTR{removable}=="unknown"
- ATTR{speed}=="12"
- ATTR{urbnum}=="1629"
- ATTR{version}==" 1.10"
- looking at parent device '/devices/pci0000:00/0000:00:01.2/0000:03:00.0/usb1':
- KERNELS=="usb1"
- SUBSYSTEMS=="usb"
- DRIVERS=="usb"
- ATTRS{authorized}=="1"
- ATTRS{authorized_default}=="1"
- ATTRS{avoid_reset_quirk}=="0"
- ATTRS{bConfigurationValue}=="1"
- ATTRS{bDeviceClass}=="09"
- ATTRS{bDeviceProtocol}=="01"
- ATTRS{bDeviceSubClass}=="00"
- ATTRS{bMaxPacketSize0}=="64"
- ATTRS{bMaxPower}=="0mA"
- ATTRS{bNumConfigurations}=="1"
- ATTRS{bNumInterfaces}==" 1"
- ATTRS{bcdDevice}=="0409"
- ATTRS{bmAttributes}=="e0"
- ATTRS{busnum}=="1"
- ATTRS{configuration}==""
- ATTRS{devnum}=="1"
- ATTRS{devpath}=="0"
- ATTRS{idProduct}=="0002"
- ATTRS{idVendor}=="1d6b"
- ATTRS{interface_authorized_default}=="1"
- ATTRS{ltm_capable}=="no"
- ATTRS{manufacturer}=="Linux 4.9.0-11-rt-amd64 xhci-hcd"
- ATTRS{maxchild}=="14"
- ATTRS{product}=="xHCI Host Controller"
- ATTRS{quirks}=="0x0"
- ATTRS{removable}=="unknown"
- ATTRS{serial}=="0000:03:00.0"
- ATTRS{speed}=="480"
- ATTRS{urbnum}=="136"
- ATTRS{version}==" 2.00"
- looking at parent device '/devices/pci0000:00/0000:00:01.2/0000:03:00.0':
- KERNELS=="0000:03:00.0"
- SUBSYSTEMS=="pci"
- DRIVERS=="xhci_hcd"
- ATTRS{broken_parity_status}=="0"
- ATTRS{class}=="0x0c0330"
- ATTRS{consistent_dma_mask_bits}=="64"
- ATTRS{d3cold_allowed}=="1"
- ATTRS{device}=="0x43b9"
- ATTRS{dma_mask_bits}=="64"
- ATTRS{driver_override}=="(null)"
- ATTRS{enable}=="1"
- ATTRS{irq}=="41"
- ATTRS{local_cpulist}=="0-3"
- ATTRS{local_cpus}=="000f"
- ATTRS{msi_bus}=="1"
- ATTRS{numa_node}=="-1"
- ATTRS{subsystem_device}=="0x1142"
- ATTRS{subsystem_vendor}=="0x1b21"
- ATTRS{vendor}=="0x1022"
- looking at parent device '/devices/pci0000:00/0000:00:01.2':
- KERNELS=="0000:00:01.2"
- SUBSYSTEMS=="pci"
- DRIVERS=="pcieport"
- ATTRS{broken_parity_status}=="0"
- ATTRS{class}=="0x060400"
- ATTRS{consistent_dma_mask_bits}=="32"
- ATTRS{d3cold_allowed}=="1"
- ATTRS{device}=="0x15d3"
- ATTRS{dma_mask_bits}=="32"
- ATTRS{driver_override}=="(null)"
- ATTRS{enable}=="2"
- ATTRS{irq}=="27"
- ATTRS{local_cpulist}=="0-3"
- ATTRS{local_cpus}=="000f"
- ATTRS{msi_bus}=="1"
- ATTRS{numa_node}=="-1"
- ATTRS{subsystem_device}=="0x1453"
- ATTRS{subsystem_vendor}=="0x1022"
- ATTRS{vendor}=="0x1022"
- looking at parent device '/devices/pci0000:00':
- KERNELS=="pci0000:00"
- SUBSYSTEMS==""
- DRIVERS==""
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